Lignans and Terpenoids from the Leaves of Schisandra chinensis

Fifteen constituents, including one new lignan (schisandroside E) and one new terpenoid (schisandenoid A) as well as nine known lignans and four known terpenoids, were isolated from Schisandra chinensis leaves. The structures of schisandroside E and schisandenoid A were established by entirely meticulous spectroscopic analysis (NMR, MS, CD, IR and UV). All compounds were tested for cytotoxicity against MGC‐803, Caco‐2 and Ishikawa cell lines. Some compounds showed strong cytotoxicity against these three cancer cell lines with IC50<1 μm.

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